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Dry reusing and wet reclaiming of used sodium silicate sand

中国铸造2005，Vol.2Issue(1)：38-43,6.

Dry reusing and wet reclaiming of used sodium silicate sand

作者信息

1. School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074,Hubei, P. R. China;School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074,Hubei, P. R. China;School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074,Hubei, P. R. China;School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074,Hubei, P. R. China
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摘要

Abstract

Based on the characteristics of used sodium silicate sand and the different use requirements for recycled sand, "dry reusing and wet reclaiming of used sodium silicate sand" is considered as the most suitable technique for the used sand. When the recycled sand is used as support sand, the used sand is only reused by dry process including breaking, screening, dust-removal, etc., and it is not necessary that the used sand is reclaimed with strongly rubbing and scraping method, but when the recycled sand is used as facing sand (or single sand), the used sand must be reclaimed by wet method for higher removal rate of the residual binders. The characteristics and the properties of the dry reused sand are compared with the wet reclaimed sand after combining the different use requirements of support sand and facing sand (or single sand), and above the most adaptive scheme has also been validated.

关键词

used sodium silicate sand/dry reusing/wet reclaiming

Key words

used sodium silicate sand/dry reusing/wet reclaiming

分类

矿业与冶金

引用本文复制引用

..Dry reusing and wet reclaiming of used sodium silicate sand[J].中国铸造,2005,2(1):38-43,6.

中国铸造

ISSN：1672-6421

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